5-Aminofluorescein

5-氨基荧光素

Also known as: Fluoresceinamine, Fluoresceinamine isomer I, Fluoresceinamine, Isomer 1, 4-Aminofluorescein, 5-Amino-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-(9H)xanthen]-3-one, 5-Aminofluorescein (isomer I), 5-amino-2-(3-hydroxy-6-oxoxanthen-9-yl)benzoic acid, 5-amino-3',6'-dihydroxy-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one, 6-amino-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one, 1-Aminofluorescein, 1-Fluoresceinamine, AMINOFLUORESCEIN, EINECS 222-043-6, MFCD00005052, Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 5-amino-3',6'-dihydroxy-

5-Aminofluorescein (CAS 3326-34-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C20H13NO5 and a molecular weight of 347.321 g/mol. It is also known as Fluoresceinamine, Fluoresceinamine isomer I and Fluoresceinamine, Isomer 1. Key properties include a melting point of 223ºC, a boiling point of 695.3±55.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 374.3±31.5 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

3326-34-9

Jingsj CID

J-22998-0

Molecular Formula

C₂₀H₁₃NO₅

Chinese Name

5-氨基荧光素

Molecular Weight

347.321 g/mol

Category

Organic Compounds

Last updated

8/21/2026